Noun. A musical toy, also known as 'noise putty.' The noise coming from the toy 'flarp.' The best toy in the world. Makes fart like noises causing one to laugh continuously. If placed on a wooden surface, it sounds like farting on wooden chair.

Natalie cannot stop playing with the flarp. Carla cannot stop laughing about the flarp. The entire second floor can hear the flarp coming from room 212.

The onomatopoeia reference to the sound (or mixture of tones) produced by one or a combination of the following: 1. Traditional fart; 2. The Shart; 3. Sudden dung explosion (either the very first or very last poop shooter during defecation); 4. Lettin' the ooze flow; 5. Massive James Earl Jones Anal Room Shaker; 6. Papua New Guinea surprise (causes sudden pants or bed wetting and/or soiling); 7. Marlon Brando's Diaper Revenge.

note: Sometimes pronounced "flaaaarp!" or "flarp?"

Just as I thought that the populous ooze had quit its awful tantrum, my whole family reunion experienced a simultaneous sudden dung explosion creating a single, supersonic flarp that shattered gampy'sbrittle bones.